When to Check
Check the tires once a month or more.
Do not forget the spare tire. See Full-Size Spare Tire for additional information.
See also:
Cellular and GPS Antennas
Avoid placing items over or near
the antenna to prevent blocking
cellular and GPS signal reception.
Cellular reception is required for
OnStar to send remote signals to
the vehicle. ...
Global Off
Depending on the infotainment system, the RSE system may have a Global Off
feature.
The Global Off feature disables all RSE system features. Press and hold the
radio power button for more than th ...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...






